{"id":"JLSEC-2026-568","details":"A vulnerability, which was classified as problematic, has been found in OpenCV `wechat_qrcode` Module up to 4.7.0. Affected by this issue is the function DecodedBitStreamParser::decodeHanziSegment of the file `qrcode/decoder/decoded_bit_stream_parser.cpp`. The manipulation leads to memory leak. The attack may be launched remotely. The name of the patch is 2b62ff6181163eea029ed1cab11363b4996e9cd6. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-228548.","modified":"2026-07-25T18:25:14.788069681Z","published":"2026-06-05T15:18:28.412Z","upstream":["CVE-2023-2618"],"database_specific":{"license":"CC-BY-4.0","sources":[{"database_specific":{"status":"Modified"},"id":"CVE-2023-2618","imported":"2026-07-17T22:09:28.449Z","modified":"2026-06-17T05:53:01.440Z","published":"2023-05-10T06:15:17.577Z","url":"https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2023-2618","html_url":"https://nvd.nist.gov/vuln/detail/CVE-2023-2618"}]},"references":[{"type":"WEB","url":"https://github.com/opencv/opencv_contrib/pull/3484"},{"type":"WEB","url":"https://github.com/opencv/opencv_contrib/pull/3484/commits/2b62ff6181163eea029ed1cab11363b4996e9cd6"},{"type":"WEB","url":"https://vuldb.com/?ctiid.228548"},{"type":"WEB","url":"https://vuldb.com/?id.228548"}],"affected":[{"package":{"name":"OpenCV_jll","ecosystem":"Julia","purl":"pkg:julia/OpenCV_jll?uuid=33b9d88c-85f9-5d73-bd91-4e2b95a9aa0b"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"4.10.0+0"}]}],"database_specific":{"source":"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-568.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V2","score":"AV:N/AC:L/Au:N/C:N/I:N/A:P"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}